C. J. Riefenhauser
Pitcher · Career Stats, Bio & Records (2014-2015)
C. J. Riefenhauser was a pitcher who played in Major League Baseball from 2014 to 2015 for the Tampa Bay Rays, a span of 2 seasons. Across 24 career appearances, he went 1-0 with a 6.30 ERA and 9 strikeouts.
- W (Wins):
- Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
- ERA (Earned Run Average):
- Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
- SO (Strikeouts):
- For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
- WHIP (Walks and Hits per Inning Pitched):
- Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.
Data updated
- Position
- Pitcher
- Bats / Throws
- L / L
- Height / Weight
- 6'0" / 195 lb
- MLB Debut
- 2014-04-19
- Last Game
- 2015-10-03
Full name: Charles Joseph Riefenhauser
Season-by-Season Pitching
Click a stat to plot it across every season.
| Year | Team | Lg | W | L | G | GS | CG | SHO | SV | IP | H | ER | BB | SO | ERA | Lg ERA | Pitcher PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2014 | TBA | AL | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 5.1 | 6 | 5 | 3 | 2 | 8.44 | — | 0.0 |
| 2015 | TBA | AL | 1 | 0 | 17 | 0 | 0 | 0 | 0 | 14.2 | 15 | 9 | 7 | 7 | 5.52 | 3.96 (-39%) | -846.4 |
| Career · 2 seasons | 1 | 0 | 24 | 0 | 0 | 0 | 0 | 20.0 | 21 | 14 | 10 | 9 | 6.30 | — | -846 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Season-by-Season Batting
Click a stat to plot it across every season.
| Year | Team | Lg | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | Lg AVG | Lg OBP | Lg SLG | Lg OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2014 | TBA | AL | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2015 | TBA | AL | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | — | — | — | 0 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Game Log & Splits
View full game log (48 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 16 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 8 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 16 | 14.0 | 15 | 12 | 7 | 5 | 7.71 |
| Away | 8 | 6.0 | 6 | 2 | 3 | 4 | 3.00 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2015-10-03 | TBR | TOR | — | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 2015-10-02 | TBR | TOR | — | 0.1 | 2 | 0 | 0 | 0 | 0 | 0 |
| 2015-09-26 | TBR | TOR | — | 1.1 | 0 | 0 | 0 | 1 | 1 | 0 |
| 2015-09-25 | TBR | TOR | — | 0.2 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2015-09-21 | TBR | BOS | — | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2015-09-16 | TBR | NYY | — | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 2015-09-14 | TBR | NYY | — | 0.1 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2015-09-12 | TBR | BOS | — | 1.0 | 3 | 2 | 2 | 0 | 0 | 1 |
| 2015-09-09 | TBR | DET | — | 1.0 | 0 | 0 | 0 | 1 | 1 | 0 |
| 2015-09-06 | TBR | NYY | — | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 24 |
C. J. Riefenhauser: the record in brief
April 19, 2014 and October 3, 2015 bracket C. J. Riefenhauser's time in the majors: the debut and the last game on record. The team column never changes: it is the Tampa Bay Rays from 2014 to 2015. Riefenhauser is listed as a pitcher at 6 feet, 0 inches and 195 pounds. The bio says Riefenhauser threw and hit left-handed. The recorded birth is January 30, 1990, in Yonkers, NY, USA. Riefenhauser's full given name, per the bio, is Charles Joseph Riefenhauser.
Riefenhauser's career pitching line is 1 win, 0 losses and a 6.30 ERA over 24 appearances. The totals include 9 strikeouts. The league ERA over Riefenhauser's seasons was 3.85, so the 6.30 figure ran 63.6% worse than average. 2015 was Riefenhauser's sharpest full season, a 5.52 ERA against the league's 3.96.
Every defensive appearance on record for Riefenhauser, 24 games, came at pitcher. Fielding on the mound produced 0 putouts and 2 assists against 0 errors.
The game-log section draws on 48 games of Retrosheet box scores for Riefenhauser.
Frequently Asked Questions about C. J. Riefenhauser
- What years did C. J. Riefenhauser play?
- C. J. Riefenhauser played in Major League Baseball from 2014 to 2015.
- Was C. J. Riefenhauser a pitcher?
- Yes. C. J. Riefenhauser pitched in the major leagues, recording 1 wins and 9 strikeouts.
- What teams did C. J. Riefenhauser play for?
- C. J. Riefenhauser played for one team, the Tampa Bay Rays (2014–2015).
- What were C. J. Riefenhauser's career stats?
- In 24 games, C. J. Riefenhauser went 1-0 with a 6.30 ERA, 9 strikeouts, and 20.0 innings pitched.
- What position did C. J. Riefenhauser play?
- C. J. Riefenhauser played primarily as a pitcher, the position where he appeared in the most games.
- How tall was C. J. Riefenhauser and how much did he weigh?
- C. J. Riefenhauser was listed at 6 feet and 195 pounds.
- What was C. J. Riefenhauser's career ERA?
- C. J. Riefenhauser finished with a 6.30 career ERA, going 1-0 with 9 strikeouts.
- How many strikeouts did C. J. Riefenhauser have?
- C. J. Riefenhauser recorded 9 career strikeouts.
- Is C. J. Riefenhauser in the Hall of Fame?
- No. C. J. Riefenhauser has not been inducted into the National Baseball Hall of Fame.